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Did you know that most mountains are more than 1,000 feet (305 meters) high? It is hard for people and animals to breathe high up on a mountain. Discover more intriguing facts in Mountains, an Exploring Ecosystems book.
Did you know that most mountains are more than 1,000 feet (305 meters) high? It is hard for people and animals to breathe high up on a mountain. Discover more intriguing facts in Mountains, an Exploring Ecosystems book.